"Goin' In" Jennifer Lopez ft. Flo Rida

Combining urban swagger with the trendiest Eurodance synths, "Goin' In" is one for the party people and the hard-hitting hip-hoppers of Step Up Revolution, the film soundtrack from which Jennifer Lopez's latest single is a featured release. As with most recent dance-pop music, the song is utterly lacking in substance (what does it really mean to "go in?"), but that hasn't stopped its ascent to the top five of the club charts on the strength of a hot, if somewhat generic, beat. Though Lopez's days as a pop superstar are seemingly behind her, this late-career revival of the dance floor diva inside—the source of J. Lo's greatest hit, "Waiting for Tonight"—suits her indistinct presence well. B-